The Cancer Genome Atlas has sifted through some 500 samples of 20 different types of cancer in an effort to uncover what makes different cancers tick, but a recent study in Nature estimates that that effort may have only scratched the surface, writes Carl Zimmer at the New York Times.

"The Cancer Genome Atlas has been a spectacular success, there's no doubt about that,” Bruce Stillman, the president of Cold Spring Harbor Laboratory, tells Zimmer

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In PNAS this week: genomic study of group B Streptococcus evolution, selection on the X chromosome in great apes, and more.

Changing the fat and fiber content of people's diets affects their gut microbiome, metabolome, and colon cancer risk, researchers say.

Broken links are found throughout academic publications, and some services are trying to combat such link decay.

Nick Stockton at Wired says that a pause in studying genome-editing tools should be used to find a path forward.